Finding the Fourth Proportional to 159,023.84, 238,535.91 and 74,722.19
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Solution
The fourth proportional to 159,023.84, 238,535.91 and 74,722.19 is: 112,083.35
Step by Step Solution
- Step 1: Write the proportion equation
159,023.84 : 238,535.91 = 74,722.19 : x - Step 2: Convert to fraction form
159,023.84/238,535.91 = 74,722.19/x - Step 3: Cross multiply
159,023.84x = 238,535.91 × 74,722.19 - Step 4: Simplify right side
159,023.84x = 17,823,924,396.16 - Step 5: Solve for x
x = 17,823,924,396.16/159,023.84 - Step 6: Final answer
x = 112,083.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.